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14-05-2023
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5. The amount of flour used per day by a bakery is a random variable Y that has an exponential distribution with mean equal to 4 tons. The cost of the flour is proportional to U = 3Y + 1. a. Find the probability density function for U. b. Use the answer in part (a) to find E(U). c. How is E(U) related to E(Y)? d. How is V(U) related to V(Y)?

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